Case studies Welcome to the central library for all GS1 case studies. Use search or filters to discover case studies related to specific topics such as benefit, industry, service, standard or location. Search Industry Retail Consumer packaged goods (CPG) Apparel Fresh foods (-) General merchandise Marketplaces Healthcare Transport & Logistics Technical Industries (-) Foodservice (-) Public sector Region Asia Pacific Country Argentina (-) Hong Kong Ireland Malaysia Mexico Peru Poland Saudi Arabia Thailand United Kingdom United States Benefits Operational efficiency (-) Traceability Standards GTIN 1D barcodes Services Verified by GS1 GDSN Type of organisation Retailer (-) Traceability (-) Hong Kong (-) General merchandise (-) Foodservice (-) Public sector Clear all filters Showing 1 results Chow Tai Fook Jewellery Group: Keeping a Diamond Promise of Authenticity